This part of IEC 60318 describes an acoustic coupler for loading a hearing aid or insert earphone with a specified acoustic impedance when testing its acoustic performance, in the frequency range up to 16 kHz. It is suitable for air-conduction hearing aids and earphones, coupled to the ear by means of ear inserts, earmoulds or similar devices.
- Published:
- 04/10/2023
- ISBN(s):
- 9782832210925
- ANSI:
- ANSI Approved
- Number of Pages:
- 40
- File Size:
- 1 file , 2.7 MB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
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